This will describe how to Reset the Cisco CP-7940 and CP-7960 IP Phones to the Factory Default. This procedure assumes that you do not know the unlock password as there is another procedure for resetting a phone if you do know the unlock password.

Complete the following steps:

Unplug the power cable from the phone, hold dows the # key, and then plug the power cable in again.

The phone begins its power up cycle.

Release the # key after the Speaker button is no longer lit.

You should see the following message on the phone:
"Reset key sequence detected"

Press 123456789*0# within 60 seconds after the Headset, Mute, and Speaker buttons begin to flash.

If you enter this key sequence correctly, the phone displays this prompt:

Keep network cfg? 1 = yes 2 = no

In order to maintain the current network configuration settings for the phone when the phone resets, press 1. In order to reset the network configuration settings when the phone resets, press 2.